Granted Patent
Utility
US 5,801,724 · App. 08/728,695
Circuit for preventing ink clogging in print nozzles of a print head in an ink jet printer
Inventor:
Young-bok Ju
Patented Case
View Patent ↗
Granted: Sep 1, 1998
Filed: Oct 10, 1996
Inventor
Young-bok Ju
Assignee (at issue)
SAMSUNG DISPLAY CO., LTD.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.